The acetone extract of the Brazilian brown alga Dictyota menstrualis (Hoyt) Schnetter, Hörnig & Weber-Peukert was analyzed by HRGC-MS. Eight diterpenoids were identified: pachydictyol A (1), isopachydictyol A (2), dictyol C (3), dictyotadiol (4), dictyoxide (5), 9-hydroxy- and 9-acetoxy-dichotoma-2, 13-diene-16,17-dial (6–7) and 5-hydroxy-1, 6-cycloxenia-2,13-diene-16,17-dial (8). This technique may be an excellent alternative for chemotaxonomic and biogeographic studies.
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4.
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TeixeiraVL, CavalcantiDN, PereiraRC. (2001) Chemotaxonomic study of the diterpenes from the brown alga Dictyota menstrualis. Biochemical Systematics and Ecology, 29, 313–316.
7.
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8.
SchnetterR, HörnigI, Weber-PeukertG. (1987) Taxonomy of some North Atlantic Dictyota species. Hydrobiologia, 151/2, 193–197.
9.
HörnigI, SchnetterR. (1988) Notes on Dictyota dichotoma, D. menstrualis, D. indica and D. pulchella spec. nova (Phaeophyta). Phyton, 28, 277–291.
10.
BlountJF, DunlopRW, EricksonKL, WellsRJ. (1982) Two diterpenes with new carbocyclic ring systems from an Australian collection of the brown alga Dictyota dichotoma. Austalian Journal of Chemistry, 35, 145–163.
11.
PereiraRC, TeixeiraVL, KelecomA. (1994) Chemical defenses against herbivores in marine algae.1. The brown alga Dictyota dichotoma (Hudson) Lamouroux from Brazil. Annais da Academia Brasileira de Ciências, 66, 228–235.
12.
PereiraRC, CavalcantiDN, TeixeiraVL. (2000) Effect of secondary metabolites from the tropical Brazilian brown alga Dictyota menstrualis on the feeding by amphipod herbivores. Marine Ecology Progress Series, 205, 95–100.
13.
PereiraRC, DonatoR, CavalcantiDN, TeixeiraVL. (2000) Chemotaxis and chemical defenses in seaweed susceptibility to herbivory. Revistas Brasileiras de Biologia, 59, 407–419.
14.
PereiraHS, Leão-FerreiraLR, MoussatchéN, TeixeiraVL, CavalcantiDN, CostaLJ, DiazR, FrugulhettiICPP. (2004) Antiviral activity of diterpenes isolated from the Brazilian marine alga Dictyota menstrualis against human immunodeficiency virus type-1 (HIV-1). Antiviral Research, 64, 69–76.
15.
PereiraHS, Leão-FerreiraLR, MoussatchéN, TeixeiraVL, CavalcantiDN, CostaLJ, DiazR, FrugulhettiICPP. (2005) Effects of diterpenes isolated from the Brazilian marine alga Dictyota menstrualis on HIV-1 reverse transcriptase. Planta Medica, 71, 1019–1024.
